YA

Yoji Akutsu

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Overall (All Time): #891,056 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5302795 Welding equipment for fabricating a combustion liner Takeo Kurokawa, Noboru Umehara, Toshio Netsu 1994-04-12
4794688 Method of connecting superconducting wires Takeshi Wada, Hisanao Kita, Yoshinori Karatsu 1989-01-03
4497670 Rotor shaft and manufacturing method thereof Masao Siga, Seishin Kirihara, Takatoshi Yoshioka, Katsukuni Hisano, Toshimi Tan +1 more 1985-02-05
4327273 Method of treating a workpiece with electron beams and apparatus therefor Hisanao Kita, Yoshinori Karatsu, Takamitsu Nakazaki 1982-04-27
4317022 Electron beam welding machine Hisanao Kita, Yoshinori Karatsu, Takamitsu Nakazaki 1982-02-23
4271348 Electron beam welding method and apparatus therefor Takamitsu Nakazaki, Hisanao Kita 1981-06-02